Pass the Google Looker certifications LookML-Developer Questions and answers with ExamsMirror

A developer needs to add an Explore built off of the orders view, which surfaces only completed orders. An orders Explore exists that contains all order information. Fields from the orders view arealso referenced in other existing views such as ${orders.fieldname}.

How should developer define a new Explore for completed orders and keep all field references working correctly?

A)

B)

C)

D)

A developer has User Specific Time Zones enabled fora Looker instance, but wants to ensure that queries run in Looker are as performant as they can be. The developer wants to add a datatype: date parameter to all dimension_group definitions without time data in a table-based view, so that time conversions don’t occur for these fields.

How can the developer determine to which fields this parameter should be applied through SQL Runner?

Business users reportthat an ephemeral derived table tile on the dashboard is slow.

Information about the dashboard includes:

The dashboard filter is linked to the user attributes.

This tile usually takes approximately 5 minutes to complete running.

Which solution should be used to improve the dashboard load time?

A developer has the dimensions enrollment_month and graduation_month already defined in the view. Both were created as part of dimension_groups of type: time. The developer need touse these two dimensions in the sql_start and sql_end parameters of a dimension group of type: duration.

Which LookML should be used to calculate the number of month and years between enrollment month and graduation month?

A)

B)

C)

D)

A developer wants to create a new Explore based on the order_items view. The developer creates an Explore in the ecommerce model file with the following definition:

explore: order_items {}

After saving and validations, the developer receives this LookML validator error:

Inaccessible view “inventory_items”, “inventory_items” is not accessible inexplore” “order_items”. Check for typos and missing joins in explore “order_items”.

What caused this error to appear?

A user is seeing an error in the Explore that indicates the primary key defined for a one-million-row table is not unique.

How can the developer use SQL Runner to troubleshoot quickly?

A developer needs to model out LookML to convert existing reports into Looker. The existing reports are:

Report 1: A report with order and order_items data, which finds the order with the largest total value of the order_item prices.

Report 2: A report with order and order_items data, which finds the order with the largest total number of products ordered.

Report 3: A report with data on every product, whether or not it has been ordered.

Each database table used is updated in real time as orders are made.

How should the developer construct an Explore using the order_items view as the base view?

Users have built a popular dashboard and want to have change management built in for any edits made to the dashboard. The developer sets up version control for the model on which the dashboard isbased.

What should the developer build to meet the business requirement?

Users must be able to click on the Country field in their Explore and be redirected to another Explore that shows all countries compared.

Which parameter should be added to the country dimension to create a connection to this other associated Explore?

A LookML developer creates a new model and a test dashboard from the model. The developer shares the link to the new dashboard with users, but the users report that all they see is the “Model Not Found” error.

What is a possible cause of this issue?